296 Answered Questions for the topic Trigonometric Functions
03/18/15
Solve sin(x)(sinx+1)=0
Solve sin(x)(sinx+1)=0
a)+/- πn, x=π/2 +/-2πn
b) π/n+/- 2πn, x=3π/2+2πn
c) x=+/- πn
d) +/-πn, x=3π/2 +/- 2πn
I will attempt to try this... but i dont understand...
sinx=0 π, and...
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03/18/15
4cos^2(4x)-3=0
The value π/12 is a solution to 4cos^2(4x)-3=0.
a) true
b) false
???
Do I plug π/12 in place of x?
Can you show the steps please? Thanks.
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03/17/15
Express 172.45 degrees as an angle to the nearest minute
The question asks to the nearest minute, it also asks express 172.45 as an angle.
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Trigonometric Functions Trigonometry
03/11/15
If sin(theta)=-2/3, which of the following are possible?
If sin(theta)=-2/3 which of the following are possible? Check All that apply *cos(theta)=√5/3 and tan(theta)=2/√5*cos(theta)=-√5/3 and tan(theta)=2/√5*sec(theta)=3/√5 and...
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Trigonometric Functions
03/10/15
evaluate cos(inverse)1/2
evaluate arccos1/2.
MY ANSWER: 1.047
HOW MANY SOLUTIONS DOES ARCCOS0 HAVE??
???
EVALUATE COT{ARCCOS((-15/17))} WRITE AS FRACTION
THE VALUE ∏/12 IS A SOLUTION FOR...
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03/10/15
The range of y=arcsinx
the range of y=arcsinx=(-∏/2, ∏/2)
TRUE OR FALSE?
MY ANSWER: FALSE?????????
Trigonometric Functions
02/12/15
trigonometric function
Write the following expression in u (assuming u>0):
sin arccos (3)/(√4u2+9)
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Trigonometric Functions
02/12/15
trigonometric function
Find s if sec s =1.796
Assume that s terminates in [0,π/2].
Round the answer to four decimal places.
02/01/15
How does using radian measure simplify finding distances around a circle compared to using degree measure?
Thank you to everyone who answers.
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02/01/15
How do I do this?
Evaluate the trigonometric by using the quadrant and the reference angle to determine the sign and absolute value.
sin(13pi/4)
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02/01/15
Can you tell me if I did this right?
A child is riding a carousel at an amusement park. How long will it take for the child to travel through the given angle at the given angular velocity?
1.) 3 rev/min; 270 degrees
ok, this is...
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02/01/15
Can you explain how to solve this?
A merry-go-round with the given radius turns through the given angle. How far, in feet, will a child on the edge of the merry-go-round travel?
1.) 4 feet; 270 degrees
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01/31/15
Trigonometry Assignment i need help??
fWrite two linear functions—one to model a cost that the business has and the other to model the revenue of the business. The template for your model might look something like: a. revenue = (amount...
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01/28/15
Questions like this are going to be on my next exam and I have no idea how to do this..
Classify f(θ) of these trigonometric functions as less than, greater than, or equal to zero.
A. f(θ)=sinθ, θ is in quadrant III
B. f(θ)=tanθ, θ is in quadrant II
C. f(θ)=cosθ, θ in quadrant...
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01/28/15
Can you explain how to solve this?
Jennifer is riding on a merry-go-round at a carnival that revolves at a speed of 3.3 revolutions per minute. She is sitting 7 feet from the center of the merry-go-round. If Jennifer's starting...
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01/28/15
My older sister said I got this problem wrong but I don't understand her explanation.
In Italy, there is a large circular test track that is used to test race cars and other high-speed automobiles.
a. Suppose a similar track has a radius of 6 kilometers. Find the circumference...
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01/27/15
I got this problem wrong on my homework.. I'm not quite sure what I did wrong.
A swing hangs from a beam 10 feet high, with the seat hanging 2 feet above the ground. In motion, the swing moves back and forth from -130 degrees to -50 degrees to the horizontal. How far forward...
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Trigonometric Functions
01/14/15
what angle in the first quadrant could you reference to help you find the sine and cosine of each of the following angle
330 degrees
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01/04/15
Sketch the graph of g(x)=arcsinx where g(x) is the inverse of f(x)=Sinx
So I'm given a graph where I am supposed to sketch/plot this and I have no idea as to how to go about it. If someone can guide me, I'd really appreciate it. Thank you!
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Trigonometric Functions Trigonometry
12/09/14
What angle does the guy wire make with the ground?
A 112 meter guy wire is attached to the top of a 79 meter antenna and to a point on the ground. How far is the point on the ground from the antenna, and what angle does the guy wire make with the...
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Trigonometric Functions Trigonometry
12/08/14
Trigonometry Question
Find the exact values of the other trigonometric functions of θ given that cot θ=5 and sin θ<0.
Please do it step by step please
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11/25/14
NEED ANSWERED ASAP Graph the following Trigonometric Function
f(x)= 2sin(2x-π)-3 on the interval [0,2π]
State:amplitudeperiod
phase shift
equation of axis
domain
range
What would be my mapping rule and points on the graph?
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11/25/14
NEED ANSWERED ASAP Graph the following Trigonometric Function
f(x)= -cos[1/2(x-5π/6)] on the interval [0,2π]State:amplitudeperiodphase shift
equation of axis
domain
range
What is the mapping rule and the points on the graph?
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11/25/14
NEED ANSWERED ASAP Graph the following Trigonometric Function
f(x)= 4cos(2x)-1 on the interval [0,3π]
State:amplitudephase shift
period
equation of axis
domain
range
What would be my mapping rule for this and the points on my graph?
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11/25/14
NEED ANSWERED ASAP Graph the following Trigonometric Function
f(x)= -sin(x+ π/3) +2 on the interval [0, 2π]State:amplitudeperiodphase shiftequation of axisdomainrange
What would be my mapping rule and points of my graph?
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